docs: def completedefault(self, text, line, *_):
          """ Autocomplete table names in queries """
          tokens = line.split()
          try:
              before = tokens[-2]
              complete = before.lower() in ("from", "update", "table", "into")
              if tokens[0].lower() == "dump":
                  complete = True
              if complete:
                  return [
                      t + " "
                      for t in self.engine.cached_descriptions
                      if t.startswith(text)
                  ]
          except KeyError:
              pass